Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
snog
←
English
snake
(cognate)
←
Proto-Germanic
*snakô
(derived)
←
Icelandic
snákur
(cognate)
←
Old Norse
snókr
(derived)
←
Old Norse
snákr
(mention)
←
Swedish
snok
(mention)
→
Icelandic
snákur
(cognate)
→
Swedish
snok
(cognate)